'Spring stretches' diaporamas de présentation

When a weight is added to a spring and stretched, the released spring will follow a back and forth motion. At the equilibrium position, velocity is at its maximum. At maximum displacement, spring force and acceleration reach a maximum.

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Chapter 11

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PE of a

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Direct and Inverse Variation

Direct and Inverse Variation. Direct Variation. When y = k x for a nonzero constant k , we say that :. y varies directly as x, or y is proportional to x. The constant k is called the:. constant of variation, or constant of proportionality. Example 1.

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